Tell me how can we check the value of a given variable is alphanumeric?


No Answer is Posted For this Question
Be the First to Post Answer

Post New Answer

More PHP Interview Questions

What do the initials of php stand for?

0 Answers  


Who is the father of php and what is the current version of php and mysql?

0 Answers  


How can we submit a form without a submit button?

2 Answers   Rushmore Consultancy,


What does sign mean php?

0 Answers  


code to see the priview of the image which is being uploaded (after browising the image... just click priview ... how it will be visible...before uploading)

0 Answers   Satyam,






What is a trait in php?

0 Answers  


what is CURL?

0 Answers  


How can we change the value of a constant?

0 Answers  


Can I learn php without knowing c?

0 Answers  


Do you know what is the use of rand() in php?

0 Answers  


<?php include ("db.php"); $result = mysql_query("SELECT ques_id FROM questionbank order by ques_id limit 5 "); while($obj=mysql_fetch_array($result)) { $ad1[$obj['ques_id']]++;//Used an array and inserted the database query results into it. } $rand_keys=array_rand($ad1,1); //Did a random array function echo "First random id = ".$ad1[$rand_keys[0]]; echo "<br>Second random id = ".$ad1[$rand_keys[1]]; ?> <!--Its not working. Have any solution for this. -->

1 Answers  


What are the advantages of triggers in php?

0 Answers  


Categories